Naruto would likely be his energetic and friendly self. He would probably greet Roku Shimai with a big smile and start asking her all kinds of questions. Roku Shimai might be a bit more reserved at first, but Naruto's enthusiasm would gradually draw her out.
They could also interact in a more comical way. Naruto might accidentally use one of his ninja moves in front of Roku Shimai in an inappropriate situation, like when they are having a meal. Roku Shimai would be shocked at first, but then start to laugh. This would break the ice between them, and they would start to have a more relaxed and fun relationship.
One possible plotline could be that Naruto meets Roku Shimai during one of his missions outside of Konoha. They initially have a misunderstanding, but as they spend time together, they realize they have common goals in protecting the innocent. Naruto might teach Roku Shimai some of his ninja techniques, and in return, Roku Shimai could introduce Naruto to some unique aspects of their culture.
Naruto might be initially confused by Cheshire's strange appearance and abilities. But being the friendly and curious person he is, he would soon start to ask questions. Cheshire, on the other hand, would probably be amused by Naruto's energy and determination. It could play tricks on Naruto at first, but as they get to know each other, they would form a bond.
Naruto would probably be very curious about Jinx. He'd be constantly asking her questions about her world and her gadgets. Jinx, on the other hand, might find Naruto's enthusiasm annoying at first. But she'd also be interested in his ninja powers. Eventually, they'd start to bond over their shared sense of adventure and a bit of a rebellious streak.
Naruto would probably be very excited to meet Samus. He would be constantly asking her about her suit and weapons. Samus might be a bit more reserved at first, but would soon warm up to Naruto's enthusiasm. They could exchange fighting techniques, with Naruto showing Samus some of his ninja moves and Samus demonstrating how to use her arm cannon effectively.
Naruto might also have some cultural misunderstandings at first. For instance, he might not understand the concept of queuing and accidentally cut in line, causing some confusion. But as he spends more time in England, he would learn the local customs and adapt, making friends along the way.
One possible theme could be family relationships considering the mention of sisters. Another might be social status as the 'hakushakuke' part could imply something related to nobility or high social standing.
Zero Two is a very strong - willed and somewhat brash character, while Naruto is also determined but more open - minded. In a fanfic, when they first meet, there could be a bit of a power struggle as they both are used to being leaders in their own ways. However, as they face challenges together, like fighting off a group of powerful enemies that are a combination of rogue ninjas and klaxosaurs, they start to rely on each other. Naruto's optimism and belief in his friends starts to rub off on Zero Two, and she becomes more willing to trust others. And Zero Two's fierce loyalty and combat skills earn Naruto's respect, leading to a deep friendship between them.
Well, Naruto is a very empathetic character. He might try to find the good in the Lich King, or at least the reason behind his actions. He could offer the Lich King a chance at redemption, using his own story of how he overcame his inner darkness. On the other hand, the Lich King might see Naruto as a powerful new minion or a threat to his rule.
In a 'naruto gotham fanfic', Catwoman could be intrigued by Naruto's agility and his different approach to getting around. She might playfully challenge him to a race across the rooftops of Gotham. Meanwhile, Naruto would be trying to understand the complex web of relationships between the heroes and villains in Gotham and would be constantly making missteps due to his lack of knowledge of the city's ways.